Category:Variational analysis
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{{See also|Optimization theory|Calculus of variations|Convex analysis|Set-valued analysis}}
Following the book Variational Analysis by Rockafellar and Wets, the term "variational analysis" denotes an extension of the classic calculus of variations and convex analysis to more general problems of optimization theory, including topics in set-valued analysis, e.g. generalized derivatives.
[http://www.math.washington.edu/~rtr/mypage.html R. Tyrrell Rockafellar], Roger J-B Wets, Variational Analysis, Springer-Verlag, 2005, {{ISBN|3540627723}}, {{ISBN|978-3540627722}} In the Mathematics Subject Classification scheme (MSC2010), the field of "Set-valued and variational analysis" is coded by "49J53".{{cite web| url=http://www.ams.org/mathscinet/msc/msc2010.html?t=49Jxx&btn=Current| title=49J53 Set-valued and variational analysis|date=5 July 2010}}